Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow

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ENTIRE UPPER COLORADO RIVER BASIN
As of: 2025-10-04
Day #4 of Water Year 2026
All water / SWE measurements in inches

SNOTEL SITES
REPORTING AVG
ELEVATION AVG
CUR SWE AVG
SWE AVG PCT
SWE AVG ALL UC
MEDIAN SWE PCT
MEDIAN SWE AVG
CUR TP AVG
TP AVG PCT
TP AVG SNOWPACK
MAX DATE SNOWPACK
MAX AMT PCT of
MAX AMT

138 of 141 9,630 0.085 0.080 106.67% 0.000 % 0.130 0.267 48.80% April 4th 15.580 0.54%

Summary of River Basin Averages that drain into Lake Powell

RIVER BASIN
Click for details and graph BASIN SITES
REPORTING AVG
ELEVATION AVG
CUR SWE AVG
SWE AVG PCT
SWE AVG BASIN
MEDIAN SWE PCT
MEDIAN SWE AVG
CUR TP AVG
TP AVG PCT
TP AVG SNOWPACK
MAX DATE SNOWPACK
MAX AMT PCT of
MAX AMT

DIRTY DEVIL RIVER 6 of 6 9,445 0.000 0.032 * 0.00% 0.000 % 0.040 0.186 21.55% March 31st 9.491 0.00%

YAMPA/WHITE RIVER 21 of 21 9,153 0.057 0.121 47.15% 0.000 % 0.041 0.328 12.58% April 4th 20.167 0.28%

DOLORES/SAN MIGUEL RIVER 9 of 9 10,316 0.056 0.092 60.63% 0.000 % 0.233 0.326 71.61% March 31st 15.640 0.36%

UPPER COLORADO RIVER HEADWATERS 20 of 20 10,195 0.065 0.102 63.73% 0.000 % 0.024 0.236 9.96% April 12th 16.217 0.40%

ESCALANTE RIVER 4 of 4 9,877 0.025 0.024 102.46% 0.000 % 0.025 0.188 13.27% April 3rd 10.582 0.24%

UPPER GREEN RIVER 25 of 26 8,946 0.088 0.085 103.77% 0.000 % 0.119 0.241 49.38% April 9th 14.148 0.62%

ROARING FORK RIVER 8 of 8 9,780 0.062 0.057 109.27% 0.000 % 0.062 0.287 21.78% April 4th 16.685 0.37%

GUNNISON RIVER 16 of 16 10,320 0.088 0.070 124.47% 0.000 % 0.194 0.299 64.83% April 5th 16.621 0.53%

ANIMAS RIVER 8 of 9 10,439 0.125 0.097 129.40% 0.000 % 0.525 0.329 159.77% April 4th 17.615 0.71%

PRICE-SAN RAFAEL 10 of 11 9,013 0.060 0.040 149.25% 0.000 % 0.000 0.234 0.00% March 31st 13.981 0.43%

SAN JUAN RIVER HEADWATERS 9 of 9 10,689 0.100 0.058 173.61% 0.000 % 0.556 0.256 217.03% April 5th 18.871 0.53%

DUCHESNE RIVER 14 of 15 9,301 0.221 0.084 262.01% 0.000 % 0.046 0.266 17.39% March 31st 13.492 1.64%

SOUTH EASTERN UTAH 6 of 6 8,976 0.100 0.011 925.93% 0.000 % 0.067 0.268 24.93% March 14th 10.750 0.93%

SWE and TP Averages are from the 30 year average calculated from all data between 10/01/1990 and 09/30/2020

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Upper Colorado River Basin SWE and TP Averages are from the 30 year average calculated from data between 10/01/1990 and 09/30/2020

Abbreviations Legend:
-- indicates the either no measurement taken or data not received
SWE = Snow Water Equivalent
SWE is the amount of water in a volume of snow, measured by weight
TP = Total Precipitation
AVG SWE = Average Snow Water Equivalent for date listed above
AVG TP = Average Total Precipitation for date listed above
PCT SWE AVG = SWE as a Percent of Average SWE for that date
PCT TP AVG = TP as a Percent of Average TP for that date
Percent of Average Numbers are calculated only for those stations that report for a given date
A non-reporting station is eliminated from the calculation of overall averages, not treated as a 0
* Max Snowpack numbers and dates come from NRCS data for previous year

Colors Legend:
Red, less than 50% of average
Orange, between 50% and 80% of average
Green, between 80% and 120% of average
Blue, between 120% and 150% of average
Purple, greater than 150% of average

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Snow data courtesy of the NRCS and the USDA
All data is provisional and subject to review and modification
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Lake Powell, Vail, Steamboat Springs, Crested Butte